Drupal Drupal 2

Question 1

Which Drupal hook is used to alter an existing form before it is rendered?

Accepted Answer

hook_form_alter()

Answer

hook_form_alter() lets modules modify any form by reference before it is displayed to the user.

Question 2

What is the purpose of Drupal's 'cache tags' system?

Accepted Answer

To label cached items so they can be invalidated selectively

Answer

Cache tags allow granular invalidation — when a node changes, only caches tagged with that node's ID are cleared.

Question 3

In Drupal 9/10, which service handles dependency injection for custom services?

Accepted Answer

The Symfony service container

Answer

Drupal 9/10 uses Symfony's service container to manage and inject dependencies into services and plugins.

Question 4

What does the 'drush cr' command do?

Accepted Answer

Rebuilds the Drupal cache

Answer

'drush cr' (cache-rebuild) clears and rebuilds all Drupal caches, equivalent to visiting /admin/config/development/performance.

Question 5

Which file in a Drupal theme defines the theme's metadata, regions, and libraries?

Accepted Answer

themename.info.yml

Answer

The .info.yml file declares the theme name, core compatibility, regions, and which base theme it extends.

Drupal Practice Test